1 /* { dg-do compile } */ 2 /* { dg-options "-fdump-tree-gimple" } */ z(int a)3int z (int a) { 4 return a * -1; 5 } 6 x(int a)7int x (int a) { 8 return -1 * a; 9 } 10 y(int a)11int y (int a) { 12 return -(-1 * -a); 13 } 14 /* { dg-final { scan-tree-dump-times "-a" 3 "gimple" } } */ 15 /* { dg-final { cleanup-tree-dump "gimple" } } */ 16